由商务部签发的原产地证是（）。 ["C\/O产地证","EEC产地证","GSPFORMA","DCO声明书"]
While logged into a Company switch you issue the following command： CompanySwitch（config-mst）# instance 10 vlan 11-12 What does this command accomplish？（） [" It enables a PVST+ instance of 10 for vlan 11 and vlan 12"," It enables vlan 11 and vlan 12 to be part of the MST region 10"," It maps vlan 11 and vlan 12 to the MST instance of 10."," It creates an Internal Spanning Tree （IST） instance of 10 for vlan 11 and vlan 12 "," It create a Common Spanning Tree （CST） instance of 10 for vlan 11 and vlan 12"," It starts two instances of MST， one instance for vlan 11 and another instance for vlan 12."]
纵向变形
损伤
Your network consists of an Active Directory domain named contoso.com. You have a computer namedcomputer1.contoso.com. Your network is configured to use only IPv6. You need to request that a DNS record be created to enable users to connect to your computer by using the name dev.contoso.com. Which type of record should you request ?（） ["A","AAAA","HINFO","NAPTR"]
横向变形
